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Post by zillerr on Apr 9, 2018 13:54:41 GMT -5
Hello all,
I have been out of the game for a little while (theater build took a long time). I have an original XMC-1 (which I will be sending in soon for HDMI upgrade and whatever else needs upgrade) and I am finally finishing a build. I am running all custom built speakers. I have 2 ported Subs (UXL-18) powered by 2 bridged Behringer EP2500 amps. In the past (before the XMC-1) I was using a BFD 1124 pro (which I still have) to EQ the sub.
What now? How best do I set this up? Can the XMC-1 EQ the Subs fully with no hardware based crossover? Sub placement cannot be changed so I will be dancing around with sound baffles and wall panels.
Thanks. And sorry if this has been covered...I searched and read for a while, but did not find the answers.
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Post by socketman on Apr 9, 2018 14:40:27 GMT -5
IF your subs are at the front of the room and placed symmetrically then Dirac will handle them just fine.Once you start moving them around and having each of them different distances from the mains then you will run into phase issues. Dirac only makes corrections based on the sum of the output of both subs and does not correct them individually. If you find you cant get them how you like then i would suggest getting a minidsp 2x4.There is a thread started by ansat that gets into sub tuning with the XMC in great detail. Start with this link. emotivalounge.proboards.com/thread/40600/multi-sub-dirac-minidsp-beginners |
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Post by goodfellas27 on Apr 9, 2018 14:45:54 GMT -5
XMC-1 has Dirac Live Lite. I suggest getting Dirac Live Full license ($99) for the XMC-1 along with UMIK-1 calibrated mic. You will get to files with the mic to use with Dirac. Load 90-degrees file when you first open Dirac on your PC. You get to a point where you could test tone your subs, please dial in the amp gain until Dirac see your subs' volume in green.
You don't need BFD 1124 pro hardware since Dirac is more advanced. See video below.
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Post by emofrmcgy on Apr 9, 2018 16:00:26 GMT -5
You still need the bfd for hpf. Not sure the one that can be built into the Dirac template will suffice...(ie. the text files that you can edit with Dirac full) However the Uxl’s are pretty damn hefty and might resist bottoming wth the Dirac filters in place. I’m not the gonna be the one to sacrifice one of my drivers for test purposes though.
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Post by zillerr on Apr 9, 2018 16:24:35 GMT -5
Thank you! I do have a pretty nice calibration mic.... does the condenser that came with it not cut the mustard? They are perfectly symmetrical to the mm. Should it be set as Dual mono, stereo? I could just place a simple high pass on the BFD... that is super easy! Is it worth it? Added a pic (before I measured perfect placement).  |
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Post by socketman on Apr 9, 2018 20:02:13 GMT -5
my future plan is for some MBM's using a beringer nu6000 dsp so everythig is built in and that seems to be quite popular. I think its a good idea to put a highpass for protection if nothing else. How many subs all together? I have 2 subs and run them as a pair with a y cord off one output since they are located symmetrically. I have tried other combo's over the years but now that i have a dedicated room this works for me. If you are familiar with rew i would run that after you run Dirac. I had my reservations about the EMM microphone so i bought a calibrated mic from Herb at cross spectrum . I also upgraded Dirac to the full which released me from Emotiva's house curve and gave me much more freedom. I dont like the RC to make huge changes in the upper frequencies and Dirac is very conservative.Bass is always the most troublesome to tame.
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Post by zillerr on Apr 9, 2018 20:15:38 GMT -5
my future plan is for some MBM's using a beringer nu6000 dsp so everythig is built in and that seems to be quite popular. I think its a good idea to put a highpass for protection if nothing else. How many subs all together? I have 2 subs and run them as a pair with a y cord off one output since they are located symmetrically. I have tried other combo's over the years but now that i have a dedicated room this works for me. If you are familiar with rew i would run that after you run Dirac. I had my reservations about the EMM microphone so i bought a calibrated mic from Herb at cross spectrum . I also upgraded Dirac to the full which released me from Emotiva's house curve and gave me much more freedom. I dont like the RC to make huge changes in the upper frequencies and Dirac is very conservative.Bass is always the most troublesome to tame. |
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Post by foggy1956 on Apr 9, 2018 20:26:58 GMT -5
my future plan is for some MBM's using a beringer nu6000 dsp so everythig is built in and that seems to be quite popular. I think its a good idea to put a highpass for protection if nothing else. How many subs all together? I have 2 subs and run them as a pair with a y cord off one output since they are located symmetrically. I have tried other combo's over the years but now that i have a dedicated room this works for me. If you are familiar with rew i would run that after you run Dirac. I had my reservations about the EMM microphone so i bought a calibrated mic from Herb at cross spectrum . I also upgraded Dirac to the full which released me from Emotiva's house curve and gave me much more freedom. I dont like the RC to make huge changes in the upper frequencies and Dirac is very conservative.Bass is always the most troublesome to tame. I use 3 subs but I run REW prior to running dirac as I use REW to time align the subs also. Curious, why do you recommend running dirac first? Seems counter intuitive to me. |
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Post by socketman on Apr 9, 2018 20:45:06 GMT -5
i meant rew to see how your configuration looks before deciding if it needs further intervention. Should not need time alignment if your subs are near your main speakers but its been a while since i messed with mine so i suggest reading the linked thread. If you have a minidsp i would tame the subs then run Dirac, you may not need to do anything.
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Post by foggy1956 on Apr 10, 2018 5:31:22 GMT -5
i meant rew to see how your configuration looks before deciding if it needs further intervention. Should not need time alignment if your subs are near your main speakers but its been a while since i messed with mine so i suggest reading the linked thread. If you have a minidsp i would tame the subs then run Dirac, you may not need to do anything. Should have clarified, subs are place at various areas around the room with varying distances. I have the mini-dsp which I use for time alignment as well as building sub filters prior to running dirac, seems to work best for my implementation. |
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